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All Categories > PEM® Brand Fasteners for Metal Sheets and Panels > Standoffs for Sheet Metal > Blind, Threaded Standoffs – Types BSO, BSO4, BSOA, BSOS > Blind Threaded Standoffs – Types BSO, BSOA, BSOS > Blind Threaded Standoffs - Types BSO, BSOA, BSOS - Metric > Part # BSO-3.5M3-25ZI  

Part # BSO-3.5M3-25ZI, Blind Threaded Standoffs - Types BSO, BSOA, BSOS - Metric

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These standoffs, which use the proven self-clinching design, install with a squeeze in properly sized round holes - and become permanently mounted in the thin sheet.

When blind-threaded types are used, outer sheet surfaces are not only flush, but c




 Specifications   

Thread Size x Pitch
M3 x 0.5

Thread Code
3.5M3

Length Code
25

Min. Sheet Thickness
1.0 mm

Hole Size in Sheet + 0.08
5.41 mm

C - 0.13

 View
5.39 mm

F Min.
9.50 mm

H Nom.
6.4 mm

L - Length +0.05 –0.13
25 mm

Min. Dist. Hole C/L to Edge
6.8 mm

For Use in Sheet Hardness1
HRB 80 / HB 150 or less

Thread Specification
Internal, ANSI/ASME B1.13M, 6H

Fastener Material
Heat-Treated Carbon Steel

Standard Finish
Zinc plated per ASTM B633, SC1 (5µm), Type III, colorless

CAD Supplier
PennEngineering® (PEM®)
1 HRB - Hardness Rockwell “B” Scale. HB - Hardness Brinell.



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